/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/AbilitySystemComponent.h
Remove all current AttributeSets and register the ones in the passed array. Note that it's better to call Add/Remove directly when possible.
void SetSpawnedAttributes ( const [TArray](API\Runtime\Core\Containers\TArray)< [UAttributeSet](API\Plugins\GameplayAbilities\UAttributeSet) * > & NewAttributeSet )